The file res_ar.dll is a 32bit Windows DLL module for celestia software or other related programs. The file is also referred as celestia.exe. The file was licensed as Copyright 2001-2010, Celestia Development Team.

res_ar.dll file is a critical component for the software to work properly and without any dll error messages. You may receive an error message like the ones below that indicates the file is not found, damaged, or the wrong version.

The program can't start because res_ar.dll is missing from your computer. Try reinstalling the program to fix this problem.

Res_ar.dll is either not designed to run on Windows or it contains an error.

To fix the error, you need to copy the missing res_ar.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. The current version of dll file available on our site is 1.6.1.0 with a size of 30KB.

How to Install res_ar.dll

You can download res_ar.dll for free from the download section on this page. After you download the compressed file, unzip it to a convenient location on your computer. In order to fix dll related errors, you need to copy the .dll file to the installation folder of the application or game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).

Install DLL File to Program Folder

Copy the extracted res_ar.dll file to the installation folder of the application or game.

Check if the problem is solved. If the problem persists or you are not sure which software is having problems, install the .DLL file directly to Windows.

Register DLL File Using Microsoft Regsvr

Copy the file to "C:\Windows\System32\"

You can install the .dll file in both system folders without any problems. In order to complete this step, you must run the Command Prompt as administrator.

Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard.

Right-click the "Command Prompt" search result and click the "Run as administrator" option.

Paste the following command into the Command Line window that opens up and press Enter key.

%windir%\System32\regsvr32.exe res_ar.dll

Submit Your Comment & Ask a Question

Submit a comment using your Facebook ID.

Were you able to fix the dll problem? Are you still having dll not found error. Share your comments or get help from other users. Please describe your problem as detailed as possible. Don't forget to mention your Windows version and the name of the software reporting the error.

Disclaimer: All files are properties of their respective owners. You may download for legally licensed software only. Files have been scanned with antivirus software. DLL4Free.com does not claim ownership of dll files. All files are provided on an as is basis. Microsoft is a registered trademark of Microsoft Corporation.